Population information

Order name Anseriformes
Family name Anatidae
Scientific name Spatula versicolor Common name Silver Teal
Population name versicolor
Breeding range Bolivia, S Brazil, N Argentina & Chile Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 -1 -1
WPE 2 0 0 25,000 100,000 [R571]
WPE 3 2001 2001 25,000 100,000 [R570]
WPE 4 2001 2001 25,000 100,000 [R570]
WPE 5 2001 2001 25,000 100,000 Best guess [R570]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1992 STA [R214]
WPE 2 1972 1992 STA [R214]
WPE 3 1972 1992 STA [R214]
WPE 4 1972 1992 STA [R214]
WPE 5 1972 1992 STA [R214]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 1000
WPE 4 2006 1000
WPE 5 2012 1000

References

  • R214 - Ellis-Joseph, S., Hewston, N. and Green, A. (compilers). 1992. Global Waterfowl Conservation Assessment and Management Plan: First Review Draft. Report by the IUCN Captive Breeding Specialist Group and The Wildfowl and Wetlands Trust. 1992. 77 pp.
  • R571 - Schlatter, R. (pers. comm.). 1996. Unpublished information on Southern South American waterbirds.
  • R570 - Schlatter, R. (In litt.). 2002. Unpublished information on Southern South American waterbirds.

Notes




Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on